Angewandte Chemie International Edition,
Год журнала:
2018,
Номер
57(29), С. 9038 - 9043
Опубликована: Июнь 19, 2018
Abstract
Single
Fe
atoms
dispersed
on
hierarchically
structured
porous
carbon
(SA‐Fe‐HPC)
frameworks
are
prepared
by
pyrolysis
of
unsubstituted
phthalocyanine/iron
phthalocyanine
complexes
confined
within
micropores
the
support.
The
single‐atom
catalysts
have
a
well‐defined
atomic
dispersion
coordinated
N
ligands
3D
These
SA‐Fe‐HPC
comparable
to
commercial
Pt/C
electrode
even
in
acidic
electrolytes
for
oxygen
reduction
reaction
(ORR)
terms
ORR
activity
(
E
1/2
=0.81
V),
but
better
long‐term
electrochemical
stability
(7
mV
negative
shift
after
3000
potential
cycles)
and
fuel
selectivity.
In
alkaline
media,
outperform
=0.89
selectivity,
(1
cycles).
Thus,
these
nSA‐Fe‐HPCs
promising
non‐platinum‐group
metal
fuel‐cell
technologies.
Chemical Reviews,
Год журнала:
2020,
Номер
120(16), С. 8468 - 8535
Опубликована: Март 30, 2020
More
than
95%
(in
volume)
of
all
today's
chemical
products
are
manufactured
through
catalytic
processes,
making
research
into
more
efficient
materials
a
thrilling
and
very
dynamic
field.
In
this
regard,
metal-organic
frameworks
(MOFs)
offer
great
opportunities
for
the
rational
design
new
solids,
as
highlighted
by
unprecedented
number
publications
appearing
over
past
decade.
review,
recent
advances
in
application
MOFs
heterogeneous
catalysis
discussed.
with
intrinsic
thermocatalytic
activity,
hosts
incorporation
metal
nanoparticles,
precursors
manufacture
composite
catalysts
those
active
photo-
electrocatalytic
processes
critically
reviewed.
The
review
is
wrapped
up
our
personal
view
on
future
directions.
Chemical Reviews,
Год журнала:
2019,
Номер
120(2), С. 623 - 682
Опубликована: Дек. 23, 2019
The
use
of
well-defined
materials
in
heterogeneous
catalysis
will
open
up
numerous
new
opportunities
for
the
development
advanced
catalysts
to
address
global
challenges
energy
and
environment.
This
review
surveys
roles
nanoparticles
isolated
single
atom
sites
catalytic
reactions.
In
second
section,
effects
size,
shape,
metal-support
interactions
are
discussed
nanostructured
catalysts.
Case
studies
summarized
illustrate
dynamics
structure
evolution
under
certain
reaction
conditions.
third
we
syntheses
applications
atomic
anchored
on
different
types
supports.
final
part,
conclude
by
highlighting
catalyst
gaining
a
fundamental
understanding
their
active
sites.
Chemical Reviews,
Год журнала:
2020,
Номер
120(21), С. 12089 - 12174
Опубликована: Май 1, 2020
Metal-organic
frameworks
(MOFs)
are
a
class
of
distinctive
porous
crystalline
materials
constructed
by
metal
ions/clusters
and
organic
linkers.
Owing
to
their
structural
diversity,
functional
adjustability,
high
surface
area,
different
types
MOF-based
single
sites
well
exploited,
including
coordinately
unsaturated
from
nodes
metallolinkers,
as
active
species
immobilized
MOFs.
Furthermore,
controllable
thermal
transformation
MOFs
can
upgrade
them
nanomaterials
functionalized
with
single-atom
catalysts
(SACs).
These
unique
features
derivatives
enable
serve
highly
versatile
platform
for
catalysis,
which
has
actually
been
becoming
rapidly
developing
interdisciplinary
research
area.
In
this
review,
we
overview
the
recent
developments
catalysis
at
in
emphasis
on
structures
applications
thermocatalysis,
electrocatalysis,
photocatalysis.
We
also
compare
results
summarize
major
insights
gained
works
providing
challenges
prospects
emerging
field.
Advanced Materials,
Год журнала:
2019,
Номер
31(13)
Опубликована: Янв. 13, 2019
Abstract
Replacing
precious
platinum
with
earth‐abundant
materials
for
the
oxygen
reduction
reaction
(ORR)
in
fuel
cells
has
been
objective
worldwide
several
decades.
In
last
10
years,
fastest‐growing
branch
this
area
carbon‐based
metal‐free
ORR
electrocatalysts.
Great
progress
made
promoting
performance
and
understanding
underlying
fundamentals.
Here,
a
comprehensive
review
of
field
is
presented
by
emphasizing
emerging
issues
including
predictive
design
controllable
construction
porous
structures
doping
configurations,
mechanistic
from
model
catalysts,
integrated
experimental
theoretical
studies,
evaluation
full
cells.
Centering
on
these
topics,
most
up‐to‐date
results
are
presented,
along
remarks
perspectives
future
development
